Year Dollars 1992-01-01 189783652 1997-01-01 169508828 2002-01-01 266589541 2003-01-01 242119423 2004-01-01 344585049 2005-01-01 486312618 2006-01-01 571229414 2007-01-01 551376616 2008-01-01 551489142 2009-01-01 532954768 2010-01-01 599729153 2011-01-01 642677230 2012-01-01 702090419 2013-01-01 620845143 2014-01-01 708568436 2015-01-01 766886936 2016-01-01 808230275